Hand exerciser



FIG. 1 is a perspective view of a hand exerciser showng my new design, the broken line showing of the hand being for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view of our hand exerciser;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a front end view thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a rear end view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged fragmentary cross-sectional view thereof, taken along line 8--8 of FIG. 3; and,

FIG. 9 is a perspective view thereof. 

The ornamental design for a hand exerciser, as shown and described. 